178667161SBeniamin Bia# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 278667161SBeniamin Bia%YAML 1.2 378667161SBeniamin Bia--- 478667161SBeniamin Bia$id: http://devicetree.org/schemas/hwmon/adi,adm1177.yaml# 578667161SBeniamin Bia$schema: http://devicetree.org/meta-schemas/core.yaml# 678667161SBeniamin Bia 778667161SBeniamin Biatitle: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor 878667161SBeniamin Bia 978667161SBeniamin Biamaintainers: 1078667161SBeniamin Bia - Michael Hennerich <michael.hennerich@analog.com> 1178667161SBeniamin Bia 1278667161SBeniamin Biadescription: | 1378667161SBeniamin Bia Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor 1478667161SBeniamin Bia https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf 1578667161SBeniamin Bia 1678667161SBeniamin Biaproperties: 1778667161SBeniamin Bia compatible: 1878667161SBeniamin Bia enum: 1978667161SBeniamin Bia - adi,adm1177 2078667161SBeniamin Bia 2178667161SBeniamin Bia reg: 2278667161SBeniamin Bia maxItems: 1 2378667161SBeniamin Bia 2478667161SBeniamin Bia avcc-supply: 2578667161SBeniamin Bia description: 2678667161SBeniamin Bia Phandle to the Avcc power supply 2778667161SBeniamin Bia 2878667161SBeniamin Bia shunt-resistor-micro-ohms: 2978667161SBeniamin Bia description: 3047aab533SBjorn Helgaas The value of current sense resistor in microohms. If not provided, 3178667161SBeniamin Bia the current reading and overcurrent alert is disabled. 3278667161SBeniamin Bia 3378667161SBeniamin Bia adi,shutdown-threshold-microamp: 3478667161SBeniamin Bia description: 3578667161SBeniamin Bia Specifies the current level at which an over current alert occurs. 3678667161SBeniamin Bia If not provided, the overcurrent alert is configured to max ADC range 3778667161SBeniamin Bia based on shunt-resistor-micro-ohms. 3878667161SBeniamin Bia 3978667161SBeniamin Bia adi,vrange-high-enable: 4078667161SBeniamin Bia description: 4178667161SBeniamin Bia Specifies which internal voltage divider to be used. A 1 selects 4278667161SBeniamin Bia a 7:2 voltage divider while a 0 selects a 14:1 voltage divider. 4378667161SBeniamin Bia type: boolean 4478667161SBeniamin Bia 4578667161SBeniamin Biarequired: 4678667161SBeniamin Bia - compatible 4778667161SBeniamin Bia - reg 4878667161SBeniamin Bia 49*a095d8c0SKrzysztof KozlowskiallOf: 50*a095d8c0SKrzysztof Kozlowski - $ref: hwmon-common.yaml# 51*a095d8c0SKrzysztof Kozlowski 52*a095d8c0SKrzysztof KozlowskiunevaluatedProperties: false 537f464532SRob Herring 5478667161SBeniamin Biaexamples: 5578667161SBeniamin Bia - | 5678667161SBeniamin Bia #include <dt-bindings/gpio/gpio.h> 5778667161SBeniamin Bia #include <dt-bindings/interrupt-controller/irq.h> 5808be4233SKrzysztof Kozlowski i2c { 5978667161SBeniamin Bia #address-cells = <1>; 6078667161SBeniamin Bia #size-cells = <0>; 6178667161SBeniamin Bia 6278667161SBeniamin Bia pwmon@5a { 6378667161SBeniamin Bia compatible = "adi,adm1177"; 6478667161SBeniamin Bia reg = <0x5a>; 6578667161SBeniamin Bia shunt-resistor-micro-ohms = <50000>; /* 50 mOhm */ 6678667161SBeniamin Bia adi,shutdown-threshold-microamp = <1059000>; /* 1.059 A */ 6778667161SBeniamin Bia adi,vrange-high-enable; 6878667161SBeniamin Bia }; 6978667161SBeniamin Bia }; 7078667161SBeniamin Bia... 71